This ten-minute video details the rediscovery of Mahendraparvata, a lost city that once thrived in the mountains of Cambodia 1,200 years ago. Hidden for centuries by the country's dense, remote jungles, the city was only rediscovered with the use of everyone's favorite archaeological tool: airborne lasers.

Forget trowels and tiny little brushes. The new must-have tool for archaeology is lasers. Just last month, researchers in the Honduran rainforest used them to find a lost city of gold, and now archaeologists in Cambodia have found a forgotten city that's even older. Welcome to Mahendraparvata, a metropolis unknown for…

One year ago, a team of researchers traveled deep into the Honduran rainforest in search of Ciudad Blanca, the legendary lost city of treasures. Yesterday, they revealed images—uncovered by lasers—of structures that they believe to be the White City itself.

Thanks to 3D mapping, archaeologists have found the ancient Mayan city of Holtun, or Head of Stone. It's been long known that something was there but because of centuries of jungle covering the area, it was nearly impossible to know exactly what it was. The 3D topographical map effectively 'erased' the rain forest…